Improvement in stump-joints for carriage-top braces



y tiniest State 1? anti .dffitt FREDERIOK VAN PATTEN AND EMEROUS D. (JLAPP, OE. AUBURN, NEW YORK, AS-- SIGNORS TO THEMSELVES AND M. S. FITCH, OE SAME PLACE.

Letters Patent No. 199.782, dated November 29, 1870.

The Schedule referred to in these Letters Patent and making part of the same.

To all whom, it may concern Be it known that we, Fnnmcnieit \AN lhvrrnx and Ennnous D. CLAPP, of Auburn, in the county of Cayuga and State of New York, have invented a new and usefulImprovement in Stump-Joints for Carriage-top Braces; and we do hereby declare that the ibllowing is a full, clear, and exact description thereof,'which will enable others skilled in the art to make and use the same, reference being had to the accompanying drawing forming part of this specilication, in which- Figure l is a side view of our improved stumpjoint ready for market.

Figure 2 is an edge view of the same.

Figure 3 represents a stump-joint as heretofore sent to market.

Similar letters'of reference indicate corresponding parts. I

Our invention has for its object to furnish improved joints'forcarriage-top braces, known among carriage builders as stump-joints, which shall be so constructed as to facilitate the labor of welding them to v the round or oval iron that forms the arms of. the

braces, the joints being so forged and finished that they can be easily welded by the smith without injury to the joint or to the milled and finished parts. 7

As hitherto made andsold, stump-joints have been made with square edges for the entire length of the arms of the joints, as shown in fig. 3. To weld the heats to a short piece of iron, and so close to the joint, must necessarily cause the iron to scale and damage the milling and joint. The joints, also,- cannot be clamped and'held for upsetting without bruising and marring the finished flat parts required to be left upon each joint. The result is that, the joints are so damaged that they will soon wear and become loose.

In forming our improved stump-joint, a bar of iron, of the proper size and length, for one part, A, of the joint, is heated to the proper heat, placed in dies of proper form to form the square part a the round'or oval part a, and the enlarged or swagcd part or end v The part A, when trimmed and milled, and fitted to the other part, B, which is formed in exactly the same way, is ready for market. I

By this construction enough metal for welding is left or gathered at the ends of the joint, and the parts a b of the joint, adjacentto said ends, will bemade round or oval, to correspond with the form of the arms to be welded to said joints, to form the completed braces.

The stump-joints thus forged are ready for vthe welding heat without any further preparation.

Having thus described our invention,

\Vc claim as new and desire to secure by Letters Patent- 3 Improved stump-joints for carriage-top braces, constructed and formed or forged with dies, substantially as herein 'shown and described, as a new article of manufacture.

' FREDERICK VAN 'PATTEN.

EMEROUS D. OLAPP. Witnesses: I g

HORACE .I.. UOOK, FRANK B. MARTIN. 

